On 07/15/2015 08:05 AM, Aurelien Jarno wrote:
> The LWL/LDL instructions mask the GPR with a mask depending on the
> address alignement. It is currently computed by doing:
>
> mask = 0x7fffull >> (t1 ^ 63)
>
> It's simpler to generate it by doing:
>
> mask = ~(-1 << t1)
>
>
The LWL/LDL instructions mask the GPR with a mask depending on the
address alignement. It is currently computed by doing:
mask = 0x7fffull >> (t1 ^ 63)
It's simpler to generate it by doing:
mask = ~(-1 << t1)
It uses one TCG instruction less, and it avoids a 32/64-bit consta
